/Engine/Source/Editor/MovieSceneTools/Public/Constraints/TransformConstraintChannelInterface.h
Register an interface for the HandleType static class
template<typename HandleType> void RegisterConstraintChannelInterface ( [TUniquePtr](API\Runtime\Core\Templates\TUniquePtr)< [ITransformConstraintChannelInterface](API\Editor\MovieSceneTools\Constraints\ITransformConstraintChannelInter-) > && InInterface )